Hydroxyzine

Category: pharmacological

Aliases: Atarax, Vistaril

Pharmacological Mechanism

First-generation H1 antagonist with anxiolytic + sedating + antiemetic activity. Common alternative to benzodiazepines for anxiety due to no addiction potential. Anticholinergic burden — Beers-list problematic. Cetirizine is the active metabolite.

Half-Life (t½)

PO: 3h

Dosing Guidelines

Target Organ Systems